DESIGNING TOMORROW'S POWER®

Award-winning, full-service, electrical, civil & structural utility-scale solar engineering

EST.1998

INDUSTRY LEADING

UTILITY-SCALE SOLAR AND ENERGY STORAGE ENGINEERING

OUR SERVICES

AND EXPERIENCE

Founded in 1998, Castillo Engineering is a leading large-scale solar design and engineering firm that delivers expertise in full-service solar and energy storage design, engineering, and consulting services to developers, EPC contractors, and utility companies. Castillo Engineering’s services cover electrical, structural, civil, substation design, engineering, and project management. The firm’s experience completing over 1,500 solar and energy storage projects and unmatched expertise has made it the go-to solar engineering firm for utility-scale ground mount system construction documents.

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25+

Years of Solar Experience

50

States with PE License

1,500

Successful PV Projects Completed

30,000+

Projects

300+

Residential

With over two decades of experience and 30,000+ residential projects completed, we are a leading national solar and energy storage design firm. Our proprietary site-specific solar design process speeds up your installs while reducing your costs, coupled with a dedicated Technical Support Engineer for each client, Castillo provides everything you need to make your projects more profitable.

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Utility-Scale

Our 25+ years of solar and energy storage engineering experience, ability to optimize system designs, fast turnaround times, and project management approach have enabled us to emerge as the leading utility-scale solar and energy storage design and engineering firm in the U.S.

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1,500+

Projects

Our Engineering Services

We leverage our expertise in full service (electrical, civil, structural and substation) solar and energy storage design, engineering, and consulting services to de-risk projects and ensure the highest return on investment.